Robert M. Kroll
University of Toronto
24 Papers
36 Citations
Robert M. Kroll is an academic researcher from University of Toronto. The author has contributed to research in topics: Stuttering & Motor speech. The author has an hindex of 14, co-authored 24 publications.
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Papers
A positron emission tomography study of short- and long-term treatment effects on functional brain activation in adults who stutter.
Luc De Nil,Luc De Nil,Robert M. Kroll,Sophie J. Lafaille,Sophie J. Lafaille,Sylvain Houle,Sylvain Houle +6 more
TL;DR: The results indicate changes in activation lateralisation, as well as a general reduction in over-activation, especially in the motor cortex, following treatment.
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A voxel-based morphometry (VBM) analysis of regional grey and white matter volume abnormalities within the speech production network of children who stutter
Deryk S. Beal,Vincent L. Gracco,Vincent L. Gracco,Jane Brettschneider,Robert M. Kroll,Luc De Nil,Luc De Nil +6 more
TL;DR: The findings of widespread anatomic abnormalities throughout the cortical network for speech motor control within the context of the speech motor skill limitations identified in people who stutter are discussed.
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Functional neuroimaging of cerebellar activation during single word reading and verb generation in stuttering and nonstuttering adults
TL;DR: The results suggest that automaticity in motor and cognitive processes during speech production may need to be considered as an important factor in future investigations of stuttering.
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The effects of simulated stuttering and prolonged speech on the neural activation patterns of stuttering and nonstuttering adults.
Luc De Nil,Luc De Nil,Deryk S. Beal,Deryk S. Beal,Sophie J. Lafaille,Sophie J. Lafaille,Robert M. Kroll,Adrian P. Crawley,Vincent L. Gracco,Vincent L. Gracco +9 more
TL;DR: Investigation of neural correlates of passive listening, habitual speech and two modified speech patterns in stuttering and nonstuttering adults provides further evidence for the presence of functional deficiencies underlying auditory processing, motor planning and execution in people who stutter.
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Kinematic Analysis of Lip Closure in Stutterers’ Fluent Speech
TL;DR: It is suggested that for the type of movement studied here, anomalies in stutterers' fluent speech are likely to be the result of acquired adjustments rather than properties of the speech neuromotor system that underly dysfluency.
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